Take your running to new heights with this impressive Apple Watch Series 4. It comes equipped with a long-lasting Lithium-ion battery that will easily provide up to 18 hours of use on one single full charge. Also, this Apple watch has GPS functionality that lets you get more accurate distance and speed information during an outdoor workout session. The all digital crown with haptic feedback enables a richer, metallic and responsive feel when pressing or turning, giving you an incredible user experience. Also, it has a built-in ECG sensor on the watch’s back crystal that lets you take real-time heart rate readings. Just place your finger on the side of the crown and hold it pressed there for about thirty seconds. It flaunts a stunning LTPO OLED Retina display. This Apple watch series 4 runs on the watchOS 5 operating system that offers a slick and smooth user interface. The 64-bit S4 dual-core processor chip loads the apps quickly, making this watch more responsive. The 16GB internal memory provides extensive space for your data storage needs.